Home / 730,292.40-1,007,703.80-407,962.64

Finding the Fourth Proportional to 730,292.40, 1,007,703.80 and 407,962.64

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Solution

The fourth proportional to 730,292.40, 1,007,703.80 and 407,962.64 is: 562,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,292.40 : 1,007,703.80 = 407,962.64 : x
  2. Step 2: Convert to fraction form
    730,292.40/1,007,703.80 = 407,962.64/x
  3. Step 3: Cross multiply
    730,292.40x = 1,007,703.80 × 407,962.64
  4. Step 4: Simplify right side
    730,292.40x = 411,105,502,586.03
  5. Step 5: Solve for x
    x = 411,105,502,586.03/730,292.40
  6. Step 6: Final answer
    x = 562,932.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.